Bluebook SAT Test Digital SAT Math Practice 7

Question 1

The sum of three consecutive even integers is 78. What is the smallest integer?

Accepted Answer

24

Answer

Let the integers be n, n+2, n+4: 3n + 6 = 78, so n = 24.

Question 2

Which of the following is a solution to the equation x² − 5x + 6 = 0?

Accepted Answer

3

Answer

Factoring: (x − 2)(x − 3) = 0 gives x = 2 or x = 3; 3 is among the answer choices.

Question 3

The volume of a rectangular box is 120 cm³. Its length is 5 cm and its width is 4 cm. What is its height?

Accepted Answer

6 cm

Answer

V = l × w × h → 120 = 5 × 4 × h → h = 6 cm.

Question 4

A sample of 50 students has a mean score of 70 and a margin of error of ±4. Which range most likely contains the true population mean?

Accepted Answer

66 to 74

Answer

The confidence interval is 70 − 4 = 66 to 70 + 4 = 74.

Question 5

If 4^x = 64, what is the value of x?

Accepted Answer

3

Answer

64 = 4³, so 4^x = 4³ means x = 3.

Bluebook SAT Practice Test